| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___ATOMIC_ALIASES_H |
| #define _LIBCPP___ATOMIC_ALIASES_H |
| |
| #include <__atomic/atomic.h> |
| #include <__atomic/atomic_lock_free.h> |
| #include <__atomic/contention_t.h> |
| #include <__atomic/is_always_lock_free.h> |
| #include <__config> |
| #include <__type_traits/conditional.h> |
| #include <cstddef> |
| #include <cstdint> |
| #include <cstdlib> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| using atomic_bool = atomic<bool>; |
| using atomic_char = atomic<char>; |
| using atomic_schar = atomic<signed char>; |
| using atomic_uchar = atomic<unsigned char>; |
| using atomic_short = atomic<short>; |
| using atomic_ushort = atomic<unsigned short>; |
| using atomic_int = atomic<int>; |
| using atomic_uint = atomic<unsigned int>; |
| using atomic_long = atomic<long>; |
| using atomic_ulong = atomic<unsigned long>; |
| using atomic_llong = atomic<long long>; |
| using atomic_ullong = atomic<unsigned long long>; |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| using atomic_char8_t = atomic<char8_t>; |
| #endif |
| using atomic_char16_t = atomic<char16_t>; |
| using atomic_char32_t = atomic<char32_t>; |
| #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS |
| using atomic_wchar_t = atomic<wchar_t>; |
| #endif |
| |
| using atomic_int_least8_t = atomic<int_least8_t>; |
| using atomic_uint_least8_t = atomic<uint_least8_t>; |
| using atomic_int_least16_t = atomic<int_least16_t>; |
| using atomic_uint_least16_t = atomic<uint_least16_t>; |
| using atomic_int_least32_t = atomic<int_least32_t>; |
| using atomic_uint_least32_t = atomic<uint_least32_t>; |
| using atomic_int_least64_t = atomic<int_least64_t>; |
| using atomic_uint_least64_t = atomic<uint_least64_t>; |
| |
| using atomic_int_fast8_t = atomic<int_fast8_t>; |
| using atomic_uint_fast8_t = atomic<uint_fast8_t>; |
| using atomic_int_fast16_t = atomic<int_fast16_t>; |
| using atomic_uint_fast16_t = atomic<uint_fast16_t>; |
| using atomic_int_fast32_t = atomic<int_fast32_t>; |
| using atomic_uint_fast32_t = atomic<uint_fast32_t>; |
| using atomic_int_fast64_t = atomic<int_fast64_t>; |
| using atomic_uint_fast64_t = atomic<uint_fast64_t>; |
| |
| using atomic_int8_t = atomic< int8_t>; |
| using atomic_uint8_t = atomic<uint8_t>; |
| using atomic_int16_t = atomic< int16_t>; |
| using atomic_uint16_t = atomic<uint16_t>; |
| using atomic_int32_t = atomic< int32_t>; |
| using atomic_uint32_t = atomic<uint32_t>; |
| using atomic_int64_t = atomic< int64_t>; |
| using atomic_uint64_t = atomic<uint64_t>; |
| |
| using atomic_intptr_t = atomic<intptr_t>; |
| using atomic_uintptr_t = atomic<uintptr_t>; |
| using atomic_size_t = atomic<size_t>; |
| using atomic_ptrdiff_t = atomic<ptrdiff_t>; |
| using atomic_intmax_t = atomic<intmax_t>; |
| using atomic_uintmax_t = atomic<uintmax_t>; |
| |
| // atomic_*_lock_free : prefer the contention type most highly, then the largest lock-free type |
| |
| #ifdef __cpp_lib_atomic_is_always_lock_free |
| # define _LIBCPP_CONTENTION_LOCK_FREE ::std::__libcpp_is_always_lock_free<__cxx_contention_t>::__value |
| #else |
| # define _LIBCPP_CONTENTION_LOCK_FREE false |
| #endif |
| |
| #if ATOMIC_LLONG_LOCK_FREE == 2 |
| using __libcpp_signed_lock_free = __conditional_t<_LIBCPP_CONTENTION_LOCK_FREE, __cxx_contention_t, long long>; |
| using __libcpp_unsigned_lock_free = |
| __conditional_t<_LIBCPP_CONTENTION_LOCK_FREE, __cxx_contention_t, unsigned long long>; |
| #elif ATOMIC_INT_LOCK_FREE == 2 |
| using __libcpp_signed_lock_free = __conditional_t<_LIBCPP_CONTENTION_LOCK_FREE, __cxx_contention_t, int>; |
| using __libcpp_unsigned_lock_free = __conditional_t<_LIBCPP_CONTENTION_LOCK_FREE, __cxx_contention_t, unsigned int>; |
| #elif ATOMIC_SHORT_LOCK_FREE == 2 |
| using __libcpp_signed_lock_free = __conditional_t<_LIBCPP_CONTENTION_LOCK_FREE, __cxx_contention_t, short>; |
| using __libcpp_unsigned_lock_free = __conditional_t<_LIBCPP_CONTENTION_LOCK_FREE, __cxx_contention_t, unsigned short>; |
| #elif ATOMIC_CHAR_LOCK_FREE == 2 |
| using __libcpp_signed_lock_free = __conditional_t<_LIBCPP_CONTENTION_LOCK_FREE, __cxx_contention_t, char>; |
| using __libcpp_unsigned_lock_free = __conditional_t<_LIBCPP_CONTENTION_LOCK_FREE, __cxx_contention_t, unsigned char>; |
| #else |
| // No signed/unsigned lock-free types |
| # define _LIBCPP_NO_LOCK_FREE_TYPES |
| #endif |
| |
| #if !defined(_LIBCPP_NO_LOCK_FREE_TYPES) |
| using atomic_signed_lock_free = atomic<__libcpp_signed_lock_free>; |
| using atomic_unsigned_lock_free = atomic<__libcpp_unsigned_lock_free>; |
| #endif |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___ATOMIC_ALIASES_H |